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Showing results for hyperactivity. Search instead for hyperactivit.
Definitions

hyperactivity

[hahy-per-ak-tiv-i-tee] / ˌhaɪ pər ækˈtɪv ɪ ti /
NOUN
attention deficit disorder
Synonyms


Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

It is characterized by persistent patterns of inattention, hyperactivity, and impulsivity that can interfere with daily life, including school, work, and relationships.

From Science Daily • Mar. 17, 2026

Children also are on screens more than ever, which is believed to contribute to more anxiety, depression, aggression and hyperactivity.

From Los Angeles Times • Feb. 17, 2026

His hyperactivity for much of the day - leaping about his technical area and gesturing madly in the manner of a man at a rave - had gone.

From BBC • Dec. 14, 2025

Their claim that acetaminophen—the main active ingredient in Tylenol—can cause autism and attention deficit hyperactivity disorder if taken during pregnancy was rejected in federal multi-district litigation in 2023.

From The Wall Street Journal • Oct. 29, 2025

And the more I began to appreciate what she did for my family, the less her accent and hyperactivity bothered me.

From "Where Things Come Back" by John Corey Whaley